Computer Systems

Multiple-Choice Exercise

Choose the correct answer for each question.

How many bytes make a kilobyte?
1. 1024
2. 1042
3. 1000
4. 1204
The maximum positive whole number that can be stored in 1 byte is:
1. 256
2. 255
3. 8
4. 128
What is the name for the code that represents text data so that it it can be transferred between different platforms and programs?
1. ASSCI
2. AASSI
3. ASCI
4. ACSIS
Which two of the following describes graphics which are stored by representing the colour of every pixel by a number?
1. Vector graphics
2. Drawing graphics
3. paint
4. bitmapped
Which of these is a method of storing real numbers in computer systems?
1. Integer
2. Decimal
3. Floating Point
4. Mantissa
Which of the following shows the units of memory in ascending order?
1. bit, byte, megabyte, kilobyte, gigabyte
2. bit, byte, megabyte, gigabyte, kilobyte
3. bit, byte, kilobyte, megabyte, gigabyte
4. byte, bit, kilobyte, megabyte, gigabyte
What type of file access is provided by a CD-ROM?
1. Random
2. Sequential
3. Serial
4. Indirect
The old BBC microcomputer used an audio cassette to save files. Which best describes this method?
1. It would be very quick to find files on tape
2. It would be a better method than using floppy discs.
3. Tapes cannot store large amounts of data
4. It would be slow, sequential access.
Which of the following is read by a drive that uses optical technology (lasers)?
1. Digital Versatile Disks (DVD)
2. Compact Disks
3. Hard Disks
4. Floppy Disk
What name is given to a piece of software that is installed so that a computer can communicate correctly with a new printer?
1. printer cartridge
2. printer cable
3. printer conductor
4. printer driver
What name is given to an area of a disk that the OS uses to keep a list of the locations of files on a disk?
1. Catalogue
2. Address
3. Directory
4. Notepad
Which part of the processor is reponsible for carrying out calculations and comparisons?
1. Control Unit
2. RAM
3. ROM
4. ALU
To prevent data loss a copy of the data shoud be kept on a different disk or tape. This is known as:
1. Back-up
2. Backing Storage
3. Hard Copy
4. Print Out
Which is NOT a feature of a LAN
1. Users can be allowed to log on at any workstation.
2. Workstations can share peripherals such as scanners and printers
3. Network software allows access to workstations to be controlled.
4. It requires a modem for each workstation
Which is NOT a feature of a mainframe?
1. It may serve remote terminals connected to the telephone system using a modem.
2. It may be multiprogramming.
3. It is portable
4. It can be multi-access
Which is NOT a feature of an Liquid Crystal Display?
1. They have low power consumption
2. They are lighter than traditional CRT monitors
3. They do not flicker
4. They are much less expensive than a similar sized CRT monitor
Speech recognition and voice recognition are two different technologies. Which of these apply to Voice Recognition?
1. It is used to input text from voice.
2. It is used to set up secure access
3. It uses a microphone as input.
4. It should differentiate between different users saying the same thing.
HCI is accepted to stand for:
1. Human Control Interface
2. Human Computer Intervention
3. Human Computer Interface
4. Human Computer Interaction
WIMP can stand for
1. WIndows Interface Memory Processor
2. Windows Icon Menu Pointer
3. Windows Icon Mouse Pointer
4. Windows Interface Mouse Program
Which of the following is most likely to involve real time processing?
1. A computer processing a batch of cheques at the end of the day.
2. A computer used to run a flight simulator
3. An airline booking system
4. A payroll program at the end of the month
Which of the following apply to a High Level Language?
1. It is written in a numerical code consisting of binary numbers to represent instructions compatible with a microprocessor.
2. It is designed to work with a particular type of processor
3. Different HLL are designed to tackle different problem areas e.g. engineering, commerce, control.
4. The source code requires translation into machine code instructions to so it can control the processor
What translates High Level source code entirely into machine code before the program runs and can produce standalone programs that do not need a translator to be present?
1. An Interpreter
2. An Assembler
3. A Compiler
4. A Disassembler